Last name ธัญญ (Thanya 
, ธัญญ , Thanyong ) , throughout the world, is a rare cognomen. The surname ธัญญ is characteristic of Honduras, where it is a rare surname, Mexico, and United Arab Emirates. In absolute terms, it most frequently occurs in Mexico, Thailand, and Myanmar. More prevalently, ธัญญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thanya | Thailand, Mexico, Guatemala, Democratic Republic of the Congo, Sri Lanka |
| ธัญญ, Thanyong | Thailand |